From a706b6259a3cab71700078c4e2b91860cc2219c0 Mon Sep 17 00:00:00 2001 From: Nilay Vaish Date: Fri, 14 Aug 2015 19:28:43 -0500 Subject: ruby: cache memory: drop {try,test}CacheAccess functions --- src/mem/ruby/structures/CacheMemory.cc | 50 ---------------------------------- src/mem/ruby/structures/CacheMemory.hh | 9 ------ 2 files changed, 59 deletions(-) (limited to 'src/mem/ruby/structures') diff --git a/src/mem/ruby/structures/CacheMemory.cc b/src/mem/ruby/structures/CacheMemory.cc index 931f58a8e..ac6f823ce 100644 --- a/src/mem/ruby/structures/CacheMemory.cc +++ b/src/mem/ruby/structures/CacheMemory.cc @@ -158,56 +158,6 @@ CacheMemory::getAddressAtIdx(int idx) const return entry->m_Address; } -bool -CacheMemory::tryCacheAccess(Addr address, RubyRequestType type, - DataBlock*& data_ptr) -{ - assert(address == makeLineAddress(address)); - DPRINTF(RubyCache, "address: %s\n", address); - int64_t cacheSet = addressToCacheSet(address); - int loc = findTagInSet(cacheSet, address); - if (loc != -1) { - // Do we even have a tag match? - AbstractCacheEntry* entry = m_cache[cacheSet][loc]; - m_replacementPolicy_ptr->touch(cacheSet, loc, curTick()); - data_ptr = &(entry->getDataBlk()); - - if (entry->m_Permission == AccessPermission_Read_Write) { - return true; - } - if ((entry->m_Permission == AccessPermission_Read_Only) && - (type == RubyRequestType_LD || type == RubyRequestType_IFETCH)) { - return true; - } - // The line must not be accessible - } - data_ptr = NULL; - return false; -} - -bool -CacheMemory::testCacheAccess(Addr address, RubyRequestType type, - DataBlock*& data_ptr) -{ - assert(address == makeLineAddress(address)); - DPRINTF(RubyCache, "address: %s\n", address); - int64_t cacheSet = addressToCacheSet(address); - int loc = findTagInSet(cacheSet, address); - - if (loc != -1) { - // Do we even have a tag match? - AbstractCacheEntry* entry = m_cache[cacheSet][loc]; - m_replacementPolicy_ptr->touch(cacheSet, loc, curTick()); - data_ptr = &(entry->getDataBlk()); - - return m_cache[cacheSet][loc]->m_Permission != - AccessPermission_NotPresent; - } - - data_ptr = NULL; - return false; -} - // tests to see if an address is present in the cache bool CacheMemory::isTagPresent(Addr address) const diff --git a/src/mem/ruby/structures/CacheMemory.hh b/src/mem/ruby/structures/CacheMemory.hh index 7ce674e61..94174b286 100644 --- a/src/mem/ruby/structures/CacheMemory.hh +++ b/src/mem/ruby/structures/CacheMemory.hh @@ -56,15 +56,6 @@ class CacheMemory : public SimObject void init(); - // Public Methods - // perform a cache access and see if we hit or not. Return true on a hit. - bool tryCacheAccess(Addr address, RubyRequestType type, - DataBlock*& data_ptr); - - // similar to above, but doesn't require full access check - bool testCacheAccess(Addr address, RubyRequestType type, - DataBlock*& data_ptr); - // tests to see if an address is present in the cache bool isTagPresent(Addr address) const; -- cgit v1.2.3